Sounds similar to bug 1521403 actually. That is also Unity8 crashing on suspend (but suspend triggered by Xmir).
** Branch linked: lp:~gerboland/qtmir/fix-glcontext-loss-on-reconfigure ** Changed in: mir Status: Confirmed => Incomplete ** Package changed: unity8 (Ubuntu) => qtmir (Ubuntu) ** Changed in: qtmir (Ubuntu) Status: Confirmed => In Progress ** Changed in: qtmir (Ubuntu) Assignee: (unassigned) => Gerry Boland (gerboland) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1656250 Title: Unity8 crashes on screensaver suspend [Nested Mir Display Error: Failed to update EGL surface: EGL_BAD_CONTEXT (0x3006)] To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1656250/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs